Java Long Number Create toLong(byte[] bytes)

Description

to Long

License

Apache License

Parameter

Parameter	Description
bytes	a parameter

Declaration

private static long toLong(byte[] bytes) 

Method Source Code

//package com.java2s;
/**/*from  w w  w .jav a 2 s.c o m*/
 * Copyright (C) 2017 Lucifer Wong
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

public class Main {
    /**
     * @author Lucifer Wong
     * @param bytes
     * @return
     */
    private static long toLong(byte[] bytes) {
        return ((((long) bytes[0] & 0xff) << 56) | (((long) bytes[1] & 0xff) << 48)
                | (((long) bytes[2] & 0xff) << 40) | (((long) bytes[3] & 0xff) << 32)
                | (((long) bytes[4] & 0xff) << 24) | (((long) bytes[5] & 0xff) << 16)
                | (((long) bytes[6] & 0xff) << 8) | (((long) bytes[7] & 0xff) << 0));
    }
}

Related

1. toLong(byte[] bytes)
2. toLong(byte[] bytes)
3. toLong(byte[] bytes)
4. toLong(byte[] bytes)
5. toLong(byte[] bytes)
6. toLong(byte[] bytes)
7. toLong(byte[] bytes)
8. toLong(byte[] bytes, boolean bigEndian)
9. toLong(byte[] bytes, int index)